CN218931543U

CN218931543U - Winch follow-up movable arm tower crane capable of being lifted rapidly

Info

Publication number: CN218931543U
Application number: CN202223515981.2U
Authority: CN
Inventors: 陈东标; 罗斌飞; 晏勇斌
Original assignee: Jiangxi Zhongtian Intelligent Equipment Co Ltd
Current assignee: Jiangxi Zhongtian Intelligent Equipment Co Ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-04-28
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a winch follow-up movable arm tower crane capable of being rapidly lifted, which comprises a supporting tower, wherein a rotary seat is arranged on the supporting tower, a tower crane movable arm is movably connected to the rotary seat, a first winch, a second winch and a third winch are arranged on the rotary seat, and the first winch, the second winch and the third winch are respectively connected with a first lifting hook, a second lifting hook and a third lifting hook through steel cables and guide pulleys.

Description

Winch follow-up movable arm tower crane capable of being lifted rapidly

Technical Field

The utility model relates to the technical field of tower cranes, in particular to a winch follow-up movable arm tower crane capable of being rapidly lifted.

Background

The tower crane, also called tower crane, is one kind of hoisting equipment used in building site and has the features of great hoisting weight, great hoisting height, great hoisting speed, etc.

The traditional tower crane has the advantages that the hanging hook can be used for hanging articles in limited manners, so that the hanging hook can only be used for hanging for multiple times, meanwhile, due to the large load and long hoisting working time, the time consumed by one-time hanging is long, most of time is wasted in the process of waiting for lifting and dropping of the hanging hook, and therefore the hanging work efficiency is insufficient.

Disclosure of Invention

The utility model aims to provide a winch follow-up movable arm tower crane capable of being rapidly lifted, so as to solve the problem that the traditional tower crane is low in lifting efficiency in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a but hoist and follow-up swing arm tower machine of quick promotion, includes the supporting tower, its characterized in that: the support tower is provided with a rotary seat, the rotary seat is movably connected with a tower crane boom through a boom rotating shaft, the rotary seat is movably connected with a support vertical rod through a first connecting shaft, the rotary seat is movably connected with a diagonal support rod through a second connecting shaft, the upper ends of the support vertical rod and the diagonal support rod are connected through a rotating shaft, the rotary seat is provided with a first winch, a second winch and a third winch, and the first winch, the second winch and the third winch are connected with a first lifting hook, a second lifting hook and a third lifting hook through steel ropes and guide pulleys respectively.

Further, the support vertical rod and the inclined pull support rod are of a triangular support structure, a movable arm winch is arranged on the rotary seat, and a movable arm pulley block wound on the movable arm winch bypasses the top end of the inclined pull support rod and is connected with a movable arm fixed pulley at the front end of a movable arm of the tower.

Further, the cable-stayed support rod is fixedly connected with a first guiding fixed pulley, a plurality of groups of guiding pulleys are arranged on the tower crane arm, a steel cable wound on the first winding machine sequentially bypasses the first guiding fixed pulley and the guiding pulleys, and the tail end of the steel cable is connected with a first lifting hook through a first movable pulley block.

Further, fixedly connected with second direction fixed pulley on the bracing piece draws to one side, install multiunit guide pulley on the tower crane movable arm, the steel cable of rolling on the second hoist engine is walked around second direction fixed pulley and guide pulley in proper order, and the steel cable end is connected with the second lifting hook through the second running block.

Further, the cable-stayed support rod is fixedly connected with a third guiding fixed pulley, a plurality of groups of guiding pulleys are arranged on the tower crane boom, a steel cable wound on the third winding engine sequentially bypasses the third guiding fixed pulley and the guiding pulley, and the tail end of the steel cable is connected with a third lifting hook through a third movable pulley block.

Further, the first movable pulley block comprises a first fixed pulley, a steel cable led out from the guide pulley bypasses the first fixed pulley fixedly arranged at the front end of the movable arm of the tower crane, then bypasses the first movable pulley and is fixedly connected to the second fixed pulley, the first movable pulley is movably connected to the first lifting hook through a rotating shaft, and the first movable pulley block is consistent with the second movable pulley block and the third movable pulley block in structure.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the arrangement of the first winch, the second winch and the third winch, the first winch, the second winch and the third winch can work in a staggered mode, when one group of lifting hooks lift upwards, the two groups of lifting hooks can execute descending or mounting tasks, lifting time or descending time of the lifting hooks can be fully utilized, and therefore working efficiency of the crane can be greatly improved;

2. through the setting of tower machine movable arm, when first hoist engine, second hoist engine and third hoist engine work promote the couple, the movable arm hoist engine also can start, drives the ascending lift of tower machine movable arm, can accelerate the play to rise the speed greatly, can also improve the height that the couple can reach, increases and lifts up the height.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a tower crane according to the present utility model;

FIG. 2 is a schematic diagram of the tower crane according to the present utility model in a perspective view;

FIG. 3 is a schematic view of a first movable pulley block according to the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

In the figure: 1. a support tower; 2. a rotary base; 3. a boom rotation shaft; 4. a tower crane arm; 5. a first connecting shaft; 6. supporting the upright rod; 7. a second connecting shaft; 8. a diagonal bracing rod; 9. a boom hoist; 10. a movable arm pulley block; 11. a movable arm fixed pulley; 12. a first hoist; 13. a first guide fixed pulley; 14. a guide pulley; 15. a first movable pulley block; 1501. a first fixed pulley; 1502. a first movable pulley; 1503. a second fixed pulley; 16. a first hook; 17. a second hoist; 18. a second guide fixed pulley; 19. the second movable pulley block; 20. a second hook; 21. a third hoist; 22. a third guide fixed pulley; 23. a third movable pulley block; 24. and a third lifting hook.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, the present utility model provides the following schemes:

the winch follow-up type movable arm tower crane capable of being rapidly lifted comprises a supporting tower 1, a rotary seat 2 is arranged on the supporting tower 1, a tower movable arm 4 is movably connected to the rotary seat 2 through a movable arm rotating shaft 3, a supporting vertical rod 6 is movably connected to the rotary seat 2 through a first connecting shaft 5, a diagonal bracing support rod 8 is movably connected to the rotary seat 2 through a second connecting shaft 7, the supporting vertical rod 6 is connected with the upper end of the diagonal bracing support rod 8 through a rotating shaft, the supporting vertical rod 6 and the diagonal bracing support rod 8 are of a triangular supporting structure, the triangular structure is high in stability, the weight of the tower movable arm 4 can be supported, a movable arm winch 9 is arranged on the rotary seat 2, a steel cable wound on the movable arm winch 9 is connected with a movable arm fixed pulley 11 at the front end of the tower movable arm 4 by a movable arm pulley block 10 on the diagonal bracing support rod 8, so that the steel cable can be wound or released when the movable arm winch 9 is started, and the movable arm 4 can be driven to rotate around the movable arm rotating shaft 3 after the movable arm winch 9 is led out;

the rotary seat 2 is provided with a first winch 12, a second winch 17 and a third winch 21, the first winch 12, the second winch 17 and the third winch 21 are respectively connected with a first lifting hook 16, a second lifting hook 20 and a third lifting hook 24 through a steel cable and a guide pulley 14, a first guide fixed pulley 13 is fixedly connected to a diagonal bracing rod 8, a plurality of groups of guide pulleys 14 are arranged on a tower movable arm 4, a steel cable wound on the first winch 12 sequentially bypasses the first guide fixed pulley 13 and the guide pulley 14, the tail end of the steel cable is connected with the first lifting hook 16 through a first movable pulley block 15, a second guide fixed pulley 18 is fixedly connected to the diagonal bracing rod 8, a plurality of groups of guide pulleys 14 are arranged on the tower movable arm 4, the steel cable wound on the third winch 21 sequentially bypasses the first guide fixed pulley 13 and the second lifting hook 14, the second winch movable pulley 18 is also connected to the second lifting hook 17 through the diagonal bracing rod 8, the steel cable sequentially bypasses the second guide fixed pulley 18 and the guide pulley 14, the tail end of the steel cable wound on the second winch 4 is sequentially connected with the second lifting hook 20 through the second movable pulley 19, the third winch 21 is simultaneously started up through the first fixed pulley 22 and the second lifting hook 14, and the third lifting hook 14 are simultaneously started up through the first fixed pulley 14 and the second movable pulley 14 and the second lifting hook 14, and the third lifting hook 14 are simultaneously started up through the second movable pulley 14 and the second fixed pulley 14 and the second lifting hook 12 and the third lifting hook 14 which are sequentially connected to the second lifting hook 12 and the third lifting hook 14, and the third lifting hook 12 is simultaneously, and the third lifting hook is started up through the second fixed pulley 12 and the second lifting hook and the third lifting hook 12 and the third lifting hook, the guide pulley 14 and the third movable pulley block 23 respectively drive the second lifting hook 20 and the third lifting hook 24 to lift or descend, so that differential step lifting is realized, and the working efficiency is improved;

the first movable pulley block 15 comprises a first fixed pulley 1501, a steel cable led out from the guide pulley 14 bypasses the first fixed pulley 1501 fixedly installed at the front end of the tower movable arm 4, then bypasses the first movable pulley 1502 and is fixedly connected to the second fixed pulley 1503, the first movable pulley 1502 is movably connected to the first lifting hook 16 through a rotating shaft, the movable pulley can be regarded as a labor-saving lever, so that half of the force can be saved when the first movable pulley 1502 is pulled by the steel cable, the lifting capacity is enhanced, and the first movable pulley block 15 is consistent with the structures of the second movable pulley block 19 and the third movable pulley block 23.

Working principle: when the winch follow-up movable arm tower crane capable of being lifted quickly is used, the rotary seat 2 can rotate on the support tower 1, so that the direction of the movable arm 4 of the tower crane is adjusted, the movable arm winch 9 can be started to wind or pay out a steel cable during lifting, the steel cable is led out from the movable arm winch 9 to bypass the movable arm pulley block 10 on the inclined pull support rod 8 and the movable arm fixed pulley 11 on the movable arm 4 of the tower crane, so that the movable arm 4 of the tower crane can be driven to rotate around the movable arm rotating shaft 3, and the pitching angle of the movable arm 4 of the tower crane is adjusted, and the support upright rod 6 and the inclined pull support rod 8 are of a triangular support structure, so that the structural stability is strong, and the weight of the movable arm 4 of the tower crane can be supported;

the movable arm winch 9 is started, the first winch 12 can be started, the steel cable on the first winch 12 is connected to the first lifting hook 16 through the first movable pulley block 15 after the direction of the steel cable is adjusted through the first guide fixed pulley 13 and the guide pulley 14, so that half of force can be saved when the first movable pulley 1502 is pulled by the steel cable, lifting capacity is enhanced, the second winch 17 and the third winch 21 can be started in a staggered mode while the first winch 12 is started, and the steel cable led out from the second winch 17 and the third winch 21 passes through the second guide fixed pulley 18, the guide pulley 14, the second movable pulley block 19, the third guide fixed pulley 22, the guide pulley 14 and the third movable pulley block 23 respectively, and then the second lifting hook 20 and the third lifting hook 24 are driven to be lifted or lowered respectively, so that differential lifting is realized, working efficiency is improved, and a series of work is completed. What is not described in detail in this specification is prior art known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a but hoist and mount follow-up swing arm tower machine of quick promotion, includes supporting tower (1), its characterized in that: be provided with rotary seat (2) on supporting tower (1), there is tower crane arm (4) through swing arm axis of rotation (3) swing joint on rotary seat (2), there is support pole setting (6) through first connecting axle (5) swing joint on rotary seat (2), there is diagonal bracing pole (8) through second connecting axle (7) swing joint on rotary seat (2), support pole setting (6) and diagonal bracing pole (8) upper end pass through rotation axis connection, be provided with first hoist engine (12), second hoist engine (17) and third hoist engine (21) on rotary seat (2), first hoist engine (12), second hoist engine (17) and third hoist engine (21) are connected with first lifting hook (16), second lifting hook (20) and third lifting hook (24) through steel cable and guide pulley (14) respectively.

2. The fast-lifting winch-following swing arm tower crane according to claim 1, wherein: the support pole setting (6) and draw bracing piece (8) to one side are triangle-shaped bearing structure, install movable arm hoist engine (9) on rotary seat (2), the steel cable of rolling on movable arm hoist engine (9) is walked around and is drawn movable arm assembly pulley (10) on bracing piece (8) top to one side and is connected with movable arm fixed pulley (11) of tower machine movable arm (4) front end to one side.

3. The fast-lifting winch-following swing arm tower crane according to claim 1, wherein: the cable-stayed support rod (8) is fixedly connected with a first guiding fixed pulley (13), a plurality of groups of guiding pulleys (14) are arranged on the tower crane boom (4), a steel cable wound on the first winding engine (12) sequentially bypasses the first guiding fixed pulley (13) and the guiding pulleys (14), and the tail end of the steel cable is connected with a first lifting hook (16) through a first movable pulley block (15).

4. The fast-lifting winch-following swing arm tower crane according to claim 1, wherein: the cable-stayed support rod (8) is fixedly connected with a second guide fixed pulley (18), a plurality of groups of guide pulleys (14) are arranged on the tower crane boom (4), a steel cable wound on the second winding engine (17) sequentially bypasses the second guide fixed pulley (18) and the guide pulleys (14), and the tail end of the steel cable is connected with a second lifting hook (20) through a second movable pulley block (19).

5. The fast-lifting winch-following swing arm tower crane according to claim 1, wherein: the cable-stayed support rod (8) is fixedly connected with a third guiding fixed pulley (22), a plurality of groups of guiding pulleys (14) are arranged on the tower crane boom (4), a steel cable wound on the third winding engine (21) sequentially bypasses the third guiding fixed pulley (22) and the guiding pulleys (14), and the tail end of the steel cable is connected with a third lifting hook (24) through a third movable pulley block (23).

6. A fast lifting winch following boom tower machine according to claim 3, wherein: the first movable pulley block (15) comprises a first fixed pulley (1501), a steel cable led out from the guide pulley (14) bypasses the first fixed pulley (1501) fixedly arranged at the front end of the tower crane arm (4) at first, then bypasses the first movable pulley (1502) and is fixedly connected to the second fixed pulley (1503), the first movable pulley (1502) is movably connected to the first lifting hook (16) through a rotating shaft, and the first movable pulley block (15) is consistent with the second movable pulley block (19) and the third movable pulley block (23) in structure.